Fix/dialog animation

generatedTypes/components/dialog/OverlayFadingBackground.d.ts

@@ -0,0 +1,8 @@
+/// <reference types="react" />
+interface Props {
+    dialogVisibility: boolean;
+    modalVisibility: boolean;
+    overlayBackgroundColor: string;
+}
+declare const _default: ({ dialogVisibility, modalVisibility, overlayBackgroundColor }: Props) => JSX.Element;
+export default _default;

src/components/dialog/DialogDismissibleView.js

@@ -40,10 +40,10 @@ class DialogDismissibleView extends PureComponent {
     super(props);
 
     this.setInitialValues();
+    this.isAnimating = false;
     this.state = {
       visible: props.visible,
-      hide: false,
-      isAnimating: false
+      hide: false
     };
   }
 
@@ -69,7 +69,7 @@ class DialogDismissibleView extends PureComponent {
   componentDidUpdate(prevProps) {
     const {isPanning, dragDeltas, swipeDirections} = this.props.context; // eslint-disable-line
     const {dragDeltas: prevDragDeltas, swipeDirections: prevSwipeDirections} = prevProps.context; // eslint-disable-line
-    const {hide, isAnimating} = this.state;
+    const {hide} = this.state;
 
     if (
       isPanning &&
@@ -87,7 +87,7 @@ class DialogDismissibleView extends PureComponent {
       this.onSwipe(swipeDirections);
     }
 
-    if (hide && !isAnimating) {
+    if (hide && !this.isAnimating) {
       this.hide();
     }
   }
@@ -127,7 +127,7 @@ class DialogDismissibleView extends PureComponent {
   };
 
   onAnimationEnd = () => {
-    this.setState({isAnimating: false});
+    this.isAnimating = false;
   };
 
   getHiddenLocation = (left, top) => {
@@ -156,14 +156,12 @@ class DialogDismissibleView extends PureComponent {
   };
 
   animateTo = (toValue, animationEndCallback) => {
-    const animation = Animated.timing(this.animatedValue, {
+    Animated.timing(this.animatedValue, {
       toValue,
-      duration: 400,
-      easing: Easing.bezier(0.65, 0, 0.35, 1),
+      duration: 300,
+      easing: Easing.bezier(0.2, 0, 0.35, 1),
       useNativeDriver: true
-    });
-
-    this.setState({isAnimating: true}, () => animation.start(animationEndCallback));
+    }).start(animationEndCallback);
   };
 
   getAnimationStyle = () => {
@@ -241,7 +239,7 @@ class DialogDismissibleView extends PureComponent {
       <View ref={r => (this.ref = r)} style={containerStyle} onLayout={this.onLayout}>
         <PanResponderView
           // !visible && styles.hidden is done to fix a bug is iOS
-          style={[style, this.animationStyle, !visible && styles.hidden]}
+          style={[style, this.getAnimationStyle(), !visible && styles.hidden]}
           isAnimated
           onPanLocationChanged={this.onPanLocationChanged}
         >

src/components/dialog/OverlayFadingBackground.tsx

@@ -0,0 +1,46 @@
+import React, {useRef, useEffect, useCallback, useMemo} from 'react';
+import View from '../view';
+import {Animated} from 'react-native';
+
+interface Props {
+  dialogVisibility: boolean;
+  modalVisibility: boolean;
+  overlayBackgroundColor: string;
+}
+
+export default ({
+  dialogVisibility,
+  modalVisibility,
+  overlayBackgroundColor
+}: Props) => {
+  const fadeAnimation = useRef(new Animated.Value(0)).current;
+
+  useEffect(() => {
+    if (!dialogVisibility) {
+      animateFading(0);
+    }
+  }, [dialogVisibility]);
+
+  useEffect(() => {
+    if (modalVisibility) {
+      animateFading(1);
+    }
+  }, [modalVisibility]);
+
+  const animateFading = useCallback((toValue) => {
+    Animated.timing(fadeAnimation, {
+      toValue,
+      duration: 400,
+      useNativeDriver: true
+    }).start();
+  }, []);
+
+  const style = useMemo(() => {
+    return {
+      opacity: fadeAnimation,
+      backgroundColor: overlayBackgroundColor
+    };
+  }, [overlayBackgroundColor]);
+
+  return <View absF animated style={style} pointerEvents="none"/>;
+};

src/components/dialog/index.js

@@ -10,6 +10,7 @@ import Modal from '../modal';
 import View from '../view';
 import PanListenerView from '../panningViews/panListenerView';
 import DialogDismissibleView from './DialogDismissibleView';
+import OverlayFadingBackground from './OverlayFadingBackground';
 import PanningProvider from '../panningViews/panningProvider';
 
 // TODO: KNOWN ISSUES
@@ -155,7 +156,7 @@ class Dialog extends BaseComponent {
       }
     });
   };
-  
+
   onModalDismissed = () => {
     _.invoke(this.props, 'onDialogDismissed', this.props);
     _.invoke(this.props, 'onModalDismissed', this.props);
@@ -199,7 +200,8 @@ class Dialog extends BaseComponent {
 
   // TODO: renderOverlay {_.invoke(this.getThemeProps(), 'renderOverlay')}
   renderDialogContainer = () => {
-    const {useSafeArea, bottom} = this.getThemeProps();
+    const {modalVisibility, dialogVisibility} = this.state;
+    const {useSafeArea, bottom, overlayBackgroundColor} = this.getThemeProps();
     const addBottomSafeArea = Constants.isIphoneX && (useSafeArea && bottom);
     const bottomInsets = Constants.getSafeAreaInsets().bottom - 8; // TODO: should this be here or in the input style?
 
@@ -209,6 +211,11 @@ class Dialog extends BaseComponent {
         style={[this.styles.centerHorizontal, this.styles.alignments, this.styles.container]}
         pointerEvents="box-none"
       >
+        <OverlayFadingBackground
+          modalVisibility={modalVisibility}
+          dialogVisibility={dialogVisibility}
+          overlayBackgroundColor={overlayBackgroundColor}
+        />
         {this.renderDialogView()}
         {addBottomSafeArea && <View style={{marginTop: bottomInsets}}/>}
       </View>
@@ -217,17 +224,16 @@ class Dialog extends BaseComponent {
 
   render = () => {
     const {orientationKey, modalVisibility} = this.state;
-    const {overlayBackgroundColor, supportedOrientations, accessibilityLabel} = this.getThemeProps();
+    const {supportedOrientations, accessibilityLabel} = this.getThemeProps();
 
     return (
       <Modal
         key={orientationKey}
         transparent
         visible={modalVisibility}
-        animationType={'fade'}
+        animationType={'none'}
         onBackgroundPress={this.hideDialogView}
         onRequestClose={this.hideDialogView}
-        overlayBackgroundColor={overlayBackgroundColor}
         onDismiss={this.onModalDismissed}
         supportedOrientations={supportedOrientations}
         accessibilityLabel={accessibilityLabel}

src/components/panningViews/panResponderView.js

@@ -1,7 +1,6 @@
 import _ from 'lodash';
 import PropTypes from 'prop-types';
 import React, {PureComponent} from 'react';
-import {Animated} from 'react-native';
 import View from '../view';
 import asPanViewConsumer from './asPanViewConsumer';
 
@@ -89,12 +88,11 @@ class PanResponderView extends PureComponent {
 
   render() {
     const {isAnimated, ...others} = this.props;
-    const Container = isAnimated ? Animated.View : View;
 
     return (
-      <Container ref={this.ref} pointerEvents={'box-none'} {...others}>
+      <View animated={isAnimated} ref={this.ref} pointerEvents={'box-none'} {...others}>
         {this.props.children}
-      </Container>
+      </View>
     );
   }
 }